English
Related papers

Related papers: The Notary in the Haystack -- Countering Class Imb…

200 papers

Recent years have seen increasing use of supervised learning methods for segmentation tasks. However, the predictive performance of these algorithms depends on the quality of labels. This problem is particularly pertinent in the medical…

Computer Vision and Pattern Recognition · Computer Science 2020-10-26 Le Zhang , Ryutaro Tanno , Mou-Cheng Xu , Chen Jin , Joseph Jacob , Olga Ciccarelli , Frederik Barkhof , Daniel C. Alexander

Document segmentation is a method of rending the document into distinct regions. A document is an assortment of information and a standard mode of conveying information to others. Pursuance of data from documents involves ton of human…

Computer Vision and Pattern Recognition · Computer Science 2013-03-05 N. Priyadharshini , M. S. Vijaya

Large annotated datasets are vital for training segmentation models, but pixel-level labeling is time-consuming, error-prone, and often requires scarce expert annotators, especially in medical imaging. In contrast, coarse annotations are…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Le Zhang , Fuping Wu , Arun Thirunavukarasu , Kevin Bronik , Thomas Nichols , Bartlomiej W. Papiez

Segmentation and classification of cell nuclei in histopathology images using deep neural networks (DNNs) can save pathologists' time for diagnosing various diseases, including cancers, by automating cell counting and morphometric…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Amruta Parulekar , Utkarsh Kanwat , Ravi Kant Gupta , Medha Chippa , Thomas Jacob , Tripti Bameta , Swapnil Rane , Amit Sethi

In recent years, convolutional neural networks (CNNs) took over the field of document analysis and they became the predominant model for word spotting. Especially attribute CNNs, which learn the mapping between a word image and an attribute…

Computer Vision and Pattern Recognition · Computer Science 2019-03-27 Fabian Wolf , Philipp Oberdiek , Gernot A. Fink

Historical Document Image Binarization is a well-known segmentation problem in image processing. Despite ubiquity, traditional thresholding algorithms achieved limited success on severely degraded document images. With the advent of deep…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Avirup Dey , Nibaran Das , Mita Nasipuri

As the Internet grows in size, so does the amount of text based information that exists. For many application spaces it is paramount to isolate and identify texts that relate to a particular topic. While one-class classification would be…

Artificial Intelligence · Computer Science 2021-11-02 Sameer Khanna

Capturing the compositional process which maps the meaning of words to that of documents is a central challenge for researchers in Natural Language Processing and Information Retrieval. We introduce a model that is able to represent the…

Computation and Language · Computer Science 2014-06-17 Misha Denil , Alban Demiraj , Nal Kalchbrenner , Phil Blunsom , Nando de Freitas

Huge amounts of digital page images of important manuscripts are preserved in archives worldwide. The amounts are so large that it is generally unfeasible for archivists to adequately tag most of the documents with the required metadata so…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 José Ramón Prieto , Juan José Flores , Enrique Vidal , Alejandro H. Toselli , David Garrido , Carlos Alonso

Object recognition and detection are well-studied problems with a developed set of almost standard solutions. Identity documents recognition, classification, detection, and localization are the tasks required in a number of applications,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Mykola Kozlenko , Volodymyr Sendetskyi , Oleksiy Simkiv , Nazar Savchenko , Andy Bosyi

Classification is a common AI problem, and vector search is a typical solution. This transforms a given body of text into a numerical representation, known as an embedding, and modern improvements to vector search focus on optimising speed…

Information Retrieval · Computer Science 2025-06-04 Lee Harris

In this paper we show how to process the NOTAM (Notice to Airmen) data of the field in civil aviation. The main research contents are as follows: 1.Data preprocessing: For the original data of the NOTAM, there is a mixture of Chinese and…

Computation and Language · Computer Science 2021-06-15 YiPeng Deng , YinHui Luo

We consider here a classification method that balances two objectives: large similarity within the samples in the cluster, and large dissimilarity between the cluster and its complement. The method, referred to as HNC or SNC, requires seed…

Machine Learning · Computer Science 2025-03-05 Dorit Hochbaum , Torpong Nitayanont

Document categorization is a technique where the category of a document is determined. In this paper three well-known supervised learning techniques which are Support Vector Machine(SVM), Na\"ive Bayes(NB) and Stochastic Gradient…

Computation and Language · Computer Science 2017-01-31 Md. Saiful Islam , Fazla Elahi Md Jubayer , Syed Ikhtiar Ahmed

Classifying pages or text lines into font categories aids transcription because single font Optical Character Recognition (OCR) is generally more accurate than omni-font OCR. We present a simple framework based on Convolutional Neural…

Computer Vision and Pattern Recognition · Computer Science 2017-08-15 Chris Tensmeyer , Daniel Saunders , Tony Martinez

Fine-grained classification involves dealing with datasets with larger number of classes with subtle differences between them. Guiding the model to focus on differentiating dimensions between these commonly confusable classes is key to…

Computation and Language · Computer Science 2021-09-14 Varsha Suresh , Desmond C. Ong

Cadences are complex structures that have been driving music from the beginning of contrapuntal polyphony until today. Detecting such structures is vital for numerous MIR tasks such as musicological analysis, key detection, or music…

Sound · Computer Science 2022-09-01 Emmanouil Karystinaios , Gerhard Widmer

This paper introduces a very challenging dataset of historic German documents and evaluates Fully Convolutional Neural Network (FCNN) based methods to locate handwritten annotations of any kind in these documents. The handwritten…

Computer Vision and Pattern Recognition · Computer Science 2018-12-07 Andreas Kölsch , Ashutosh Mishra , Saurabh Varshneya , Muhammad Zeshan Afzal , Marcus Liwicki

This paper approaches the problem of separating the notes from a quantized symbolic music piece (e.g., a MIDI file) into multiple voices and staves. This is a fundamental part of the larger task of music score engraving (or score…

Audio and Speech Processing · Electrical Eng. & Systems 2024-08-01 Francesco Foscarin , Emmanouil Karystinaios , Eita Nakamura , Gerhard Widmer

Handwritten document-image binarization is a semantic segmentation process to differentiate ink pixels from background pixels. It is one of the essential steps towards character recognition, writer identification, and script-style evolution…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Maruf A. Dhali , Jan Willem de Wit , Lambert Schomaker